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首页> 外文期刊>Corrosion science >Effect of alloyed molybdenum on corrosion behavior of plasma immersion nitrogen ion implanted austenitic stainless steel
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Effect of alloyed molybdenum on corrosion behavior of plasma immersion nitrogen ion implanted austenitic stainless steel

机译：合金钼对等离子浸入氮离子注入奥氏体不锈钢腐蚀行为的影响

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摘要

Plasma immersion ion implantation (PIII) of nitrogen has been performed on two austenitic stainless steels (with and without Mo addition) at three different temperatures namely, 250, 380 and 500 ℃ for 3 h. Grazing angle X-ray diffraction (CXRD) was carried out on the surface of the steels (both PIII treated and untreated). GXRD results suggest that PIII is more effective in Mo containing stainless steel (SS). The electrochemical corrosion studies examined through both by DC polarization and EIS technique in 3.5 wt.% NaCl reveals that, 3 h N-implantation at 250 and 380 ℃ improves the corrosion and pitting resistance of both the austenitic stainless steels under investigation. The effect N implantation on pitting resistance is seen more in the presence of Mo, than when it is not present in the SS. It is further emphasized that the pitting resistance of the alloys significantly deteriorates, when they are implanted at 500 ℃.
机译：在两种不同的温度（即250、380和500℃）下，对两种奥氏体不锈钢（添加和不添加Mo）进行了氮等离子浸入离子注入（PIII）3 h。在钢的表面（PIII处理和未处理）上均进行了掠角X射线衍射（CXRD）。 GXRD结果表明，PIII在含Mo的不锈钢（SS）中更有效。通过直流极化和EIS技术在3.5 wt。％的NaCl中进行的电化学腐蚀研究表明，在250和380℃下进行3 h的N注入可改善所研究的两种奥氏体不锈钢的耐蚀性和耐点蚀性。在Mo存在下，与在SS中不存在N相比，N注入对耐点蚀性的影响更大。需要进一步强调的是，当合金在500℃下注入时，其耐点蚀性会大大降低。

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  • 来源
    《Corrosion science》 |2013年第9期|106-115|共10页
  • 作者

    P. Saravanan; V.S. Raja; S. Mukherjee;

  • 作者单位

    Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology Bombay, Powai, Mumbai 400 076,India;

    Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology Bombay, Powai, Mumbai 400 076,India;

    FCIPT, IPR, Gandhinagar, India;

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